WO2017133820A1 - Contenant alimentaire étanche à l'oxygène - Google Patents

Contenant alimentaire étanche à l'oxygène Download PDF

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Publication number
WO2017133820A1
WO2017133820A1 PCT/EP2016/081458 EP2016081458W WO2017133820A1 WO 2017133820 A1 WO2017133820 A1 WO 2017133820A1 EP 2016081458 W EP2016081458 W EP 2016081458W WO 2017133820 A1 WO2017133820 A1 WO 2017133820A1
Authority
WO
WIPO (PCT)
Prior art keywords
food container
layer
food
pvoh
plastic
Prior art date
Application number
PCT/EP2016/081458
Other languages
German (de)
English (en)
Inventor
Norbert Kuhl
Martin Wassmer
Original Assignee
Norbert Kuhl
Martin Wassmer
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=57838312&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2017133820(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to PL16828714T priority Critical patent/PL3359469T5/pl
Priority to US16/071,559 priority patent/US11578200B2/en
Priority to BR112018015576-4A priority patent/BR112018015576B1/pt
Priority to RU2018127309A priority patent/RU2693545C1/ru
Priority to DK16828714.2T priority patent/DK3359469T4/da
Priority to SG11201806095VA priority patent/SG11201806095VA/en
Priority to ES16828714T priority patent/ES2734073T5/es
Priority to JP2018539159A priority patent/JP6857660B2/ja
Priority to EP16828714.2A priority patent/EP3359469B2/fr
Priority to AU2016391789A priority patent/AU2016391789C1/en
Application filed by Norbert Kuhl, Martin Wassmer filed Critical Norbert Kuhl
Priority to CA3013236A priority patent/CA3013236C/fr
Priority to CN201680080723.4A priority patent/CN109641695B/zh
Publication of WO2017133820A1 publication Critical patent/WO2017133820A1/fr
Priority to IL260845A priority patent/IL260845B/en
Priority to ZA201805886A priority patent/ZA201805886B/en
Priority to US18/053,467 priority patent/US20230075620A1/en

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Classifications

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    • C08L2201/06—Biodegradable
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/14—Gas barrier composition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

Definitions

  • the invention relates to a plastic food container according to claim 1, a food container lidding sheet according to claim 8 and a food container lidding sheet according to claim 14 as well as a food packaging unit according to claim 20 comprising a food container sealed with a lidding sheet.
  • the food container according to the invention is intended for receiving liquid, pasty, solid, pulverulent, in particular ground, or free-flowing foods.
  • the food container according to the invention is for example part of a plastic coffee or tea capsule.
  • the food container according to the invention is also particularly suitable for receiving dairy products or other brewing material as coffee or tea, for example for instant drinks or instant soups.
  • Plastic food containers are generally not diffusion-tight or gas-tight, in particular not tight against the entry of oxygen, which can interact with the foodstuff received in the food container.
  • a food container for oxygen-sensitive foodstuffs it is therefore preferable to provide it with a gas-tight, water-tight, aroma-tight and food-safe coating or bean layer, if quality losses due to the action of oxygen on the food received therein are to be minimized or even eliminated prevent.
  • a barrier layer provides a flavor tightness that prevents the food stored in the food container from losing its aroma even after a long time. For example, but not exclusively, when using the food container as Brühguteriki beyond a water vapor barrier provided so that water-soluble substances of the food container or its lid film during the brewing process not be or even dissolved.
  • WO 2014/067507 A2 which is assumed in the preamble of claim 1, a capsule for receiving a Brühguts such as coffee, tea or the like is known.
  • the capsule is formed from a plastic, in particular from PBT or a plastic of the PBT family.
  • WO 2014/067507 A2 suggests a surface coating as the gas barrier layer Achieve oxygen-tightness and further leads to apply the gas barrier layer in plasma evaporation process, inter alia, by the use of silicon.
  • Such a plasma evaporation process uses silicon oxides which are vaporized in a (high) vacuum by means of an electric arc generated by high voltage, the silicon oxide vapor subsequently being deposited on the objects in the vacuum chamber, including the coffee capsules.
  • DE 10 2011 052 149 A1 it is further demanded for this process for the coating of food packaging containers that silicon oxides SiOx are used for this purpose, in which x should be a number ⁇ 2, preferably ⁇ 0.9.
  • x should be a number ⁇ 2, preferably ⁇ 0.9.
  • DE 10 2011 052 149 A1 proposes, inter alia, a plasma polymerization in which organosilanes are preferably to be used. All these methods have the disadvantage that they represent a technically complex process, which is also very expensive.
  • WO 2015/177591 A2 also describes a capsule for use in a device for the preparation of beverages with a one-piece, injection-molded body having a wall, a bottom and an outwardly projecting collar surrounding an opening.
  • the main body consists of an injection-molded laminate of two layers of PLA between which a layer of PVOH is arranged.
  • US 2010/0051861 A1 and US 7 048 975 B1 further plastic containers are described, which are constructed to achieve the requirements of such containers multi-layered. It is well known that for the production of multilayer materials several steps or process steps, which can sometimes be more or less time-delayed, are required.
  • the object of the present invention is to provide a gastight, in particular oxygen-tight, water-tight, water vapor-resistant, aroma-tight and food-safe food container and, for sealing the same, a food cover film for this purpose.
  • the disadvantages known from the prior art should be overcome in the production of the two packaging components and in particular additional packaging bags / films should be avoidable.
  • these should moreover be biodegradable, preferably according to EN 13432 or EN 14995.
  • the production of the food container and the food container middle container lid film should be simple and inexpensive, the food container and the food container lid film should be made robust.
  • the object is achieved by a food container according to claim 1 and by a food lid film according to claim 8 or claim 14. Preferred embodiments of the food container are specified in the subclaims dependent on claim 1, preferred embodiments of the lid film being specified in the subclaims dependent on claim 8 and claim 14, respectively.
  • the object of the invention is further achieved by a food packaging unit according to claim 20, wherein here are dependent on claim 20 dependent claims are directed to preferred embodiments of the food packaging unit according to the invention.
  • the food container according to the invention for receiving a liquid, pasty or free-flowing food has a one-piece, injection-molded, cup-shaped basic body, which is formed from a wall, a bottom and an outwardly projecting collar.
  • the outwardly projecting collar surrounds an opening, which can be closed by the food container lid film according to the invention.
  • the food container according to the invention is injection-molded from a polymer blend which has at least two components.
  • One of the two components is a PVOH (polyvinyl alcohol), also referred to as PVAL, or a PVOH copolymer.
  • PVOH polyvinyl alcohol
  • PVOH also covers PVOH copolymers whose polymers are composed of two or more different monomer units, one of the monomer units being vinyl alcohol.
  • a polymer blend which is often referred to simply as a polyblend, is understood as meaning a mixture of two polymers in the solid state without a chemical reaction taking place between the two plastics. With such a purely physical mixture, no chemical bonds are formed between the macromolecules of the plastics used.
  • An example of a polymer blend used in the invention is
  • PE / PVOH or also PS PVOH, the slash between the two plastic designations indicating that this is a polyblend or polymer blend.
  • Another The exemplary polymer blend used is PE / EVOH, where EVOH is an ethylene-vinyl alcohol copolymer.
  • EVOH is a specific exemplary embodiment of the second component of a polymer blend which can be used according to the invention. EVOH thus falls within the meaning of the invention under the name PVOH.
  • Plastics, PE and PS for example, polypropylene (PP) or polyamide (PA), as well as other approved thermoplastics in the invention injection-molded polymer blend can be used.
  • proportion by weight of PVOH or PVAL is more than 15%, an increase in the oxygen-tightness can be detected, which increases with increasing proportion by weight. With the increase in oxygen tightness to achieve a longer shelf life, which is associated with the maintenance of the quality of food in the food container over a longer period of time.
  • the oxygen tightness can be further increased, with some saturation in terms of increase in oxygen tightness being achieved at about 70% by weight depending on the use of the non-PVOH component.
  • the physical properties of the food container according to the invention can be better influenced or controlled than in the case of a single-material thermoplastic material as the starting material for injection molding.
  • a single-material thermoplastic material as the starting material for injection molding.
  • the unmixed use of PVOH would also lead to an oxygen-tight food container, but its mechanical properties, such as the material hardness, are not sufficient in many fürsfäilen. This can be compensated or adjusted by adding a suitable, further thermoplastic material.
  • the non-PVOH or PVOH copolymer component can be any food grade, ie food approved, thermoplastic and injection moldable plastic besides the PVOH or PVOH copolymer component, in one embodiment of the invention
  • Component of the polymer blend used according to the invention is a biopolymer.
  • biopolymer is to be understood as meaning a polymer which is biodegradable, but which has not necessarily been produced from renewable raw materials.
  • native polymers such as cellulose-starch-protein-lactic acid or other plastics based on renewable raw materials, are also used according to the invention as a component for the polymer blend used according to the invention.
  • bio-based polymers are used which are produced, for example, from organic compounds such as starch, sucrose or glucose.
  • the biobased polymers also include lignin-based or epoxy-based thermoplastics. Acrylates based on oils, for example linseed or palm oil. These biopolymers are also included in the inventive concept.
  • petroleum-based polymers are biodegradable, they fall within the meaning of the invention under the term biopolymer, even if they are not biogenic, i. were produced from non-renewable raw materials.
  • degradable, petroleum-based polymers include certain polyesters, but also the polyvinyl alcohol used for the second component of the polymer blend, as well as polybutylene adipate terephthalate (PBAT), polybutylene succinate (PBS), polycaprolactones (PCL) or polyglycolide (PGA).
  • PBAT polybutylene adipate terephthalate
  • PBS polybutylene succinate
  • PCL polycaprolactones
  • PGA polyglycolide
  • Biogenic plastics are, however, in the context of the invention biopolymers, as biodegradable.
  • biodegradable polymers plastics include, for example, polyhydroxyalkanoates, Polyhydroybuty rates, polycaprolactone, polyester, starch, Ingeo TM, lignin, natural resins, natural waxes, natural oils, natural fatty acids, cellulose, proteins or Glucose produced thermoplastics.
  • plastics include, for example, polyhydroxyalkanoates, Polyhydroybuty rates, polycaprolactone, polyester, starch, Ingeo TM, lignin, natural resins, natural waxes, natural oils, natural fatty acids, cellulose, proteins or Glucose produced thermoplastics.
  • the above enumeration of the biopolymers that can be used according to the invention does not claim to be complete.
  • biopolymers and PVOH in a polymer blend, i.
  • injection molding of the food container according to the invention likewise leads to an oxygen-tight, biodegradable food container and thus contributes, in addition to the extension of the minimum shelf life, also to the removal of waste mountains.
  • the biopolymers used in the polymer blend according to the invention are preferably biodegradable according to EN 13432 or EN 14995, i. their biodegradation can take place in industrial composting plants. This has the advantage that the degradation can take place under the conditions of an industrial composting plant, i. the biodegradation takes place at elevated levels
  • a food lidding film is further used according to the invention for closing the opening of the plastic food container.
  • the food-lidding film can be applied, for example, by means of sealing, welding or gluing on the side of the collar of the food container, which faces the opening of the cup-shaped Anlagenbenzoiters.
  • the food container cover film can be constructed in one or more layers for this purpose.
  • a lid film formed in a single-layer according to a first embodiment is produced analogously to the cup-shaped food container from a polymer blend, one component of which is PVOH or a PVOH copolymer.
  • the cover film used to achieve an oxygen-tightness PVOH is applied as a coating on a carrier layer.
  • the food lidding film according to the invention has at least two layers, wherein a first layer is formed from a cellulose-containing material and the second is a PVOH layer.
  • a food-grade lidding film according to the invention with a PVOH layer the oxygen-tightness of the lidding film is also achieved here.
  • a food packaging unit according to the invention which comprises an oxygen-tight food container according to the invention, which is sealed with an oxygen-tight lidding film according to one of the two embodiments according to the invention, is thus oxygen-tight overall. Additional packaging bags for oxygen-tight packaging, which are often used in the prior art, are therefore no longer required.
  • an oxygen-tightness can also be achieved by applying a PVOH layer to a food-grade lidding film if its carrier layer is made of aluminum or of a non-oxygen-tight plastic layer. If an aluminum foil or a plastic film is used whose plastic is not biodegradable, then only the main body of the food container, if it was made from biopolymer blend, biodegraded. The end user must then, as currently often provided in the usual waste separation, dispose of the lidding film and the food container separately.
  • a food-grade lidding film according to the invention with a cellulose-containing layer and a PVOH layer, the food packaging unit thus formed can be disposed of in the organic waste as a whole.
  • the food packaging unit in particular when used as Brühgut food packaging unit, after the brewing together with the food received therein can be disposed of as organic waste.
  • the food packaging unit produced in this way is oxygen-tight due to the use of PVOH according to the invention, whereby the minimum shelf-life for the food absorbed therein is decisively prolonged in relation to non-oxygen-tight food packaging units.
  • the food container cover film used according to the invention with a PVOH layer as oxygen barrier preferably uses a paper, a parchment paper or a parchment substitute paper as the cellulose-containing layer, the parchment paper already forming a wet-strength layer.
  • a paper if necessary, in order to avoid the softening or dissolution of the paper or the PVOH layer upon contact with moisture by the food itself or by the type of storage or use of the food container, for example as soup terrine or the like, a water-resistant, in Brühgutkapseln more preferably to provide a water vapor resistant additional third layer for the food container lid film according to the invention.
  • This third layer can be produced from a likewise biodegradable plastic, which can be applied, for example, by lamination, spraying or the like on the food lidding film.
  • biologically degradable lacquers or waxes which are approved for foodstuffs according to the Foodstuffs Ordinance or which can be admitted for approval according to the invention for the formation of a third layer of the foodstuff lidding foil.
  • non-biodegradable plastics are used to achieve a water resistance or water vapor barrier, then, as already explained above, the cover film must be disposed of separately from the food container, if it is made of a biopolymer blend. If the food container itself is not made of a biodegradable plastic, so a non-biodegradable food container lid film can be disposed of together with the non-biodegradable body in the residual waste.
  • a second layer in this case can then, analogously to the third or fourth layer of the other embodiment of the cover film according to the invention, be formed from a plastic, a lacquer or a wax, which is released for food packaging.
  • lacquer or wax layer can also be applied on both sides to the PVOH polymer blend layer, for example if the food packaging unit according to the invention is to be used as a hot beverage container.
  • the design for biodegradation work of the food container and the first embodiment apply analogously to the second embodiment.
  • the oxygen-tight food container according to the invention is preferably injection-molded from a biopolymer plastic blend and closed after filling the food container with a foodstuff, with a likewise biodegradable food container lidding film.
  • the application of the food-lidding film on the collar of the food container can be carried out in the usual way by sealing, gluing or welding, wherein other known from the prior art method are also included in the inventive concept.
  • the inventive food-safe container lidding film has the above-mentioned PVOH-containing layer, which in one embodiment of the invention by spraying, laminating, gluing or ironing on the example cellulose-containing layer or on an aluminum foil or on a other plastic layer is applied.
  • the PVOH-containing layer is made of a polymer blend containing PVOH in one component.
  • a cellulose-containing layer may be either the side facing the PVOH layer or the side facing away from the PVOH layer of the cellulose-containing layer, which consists in particular of paper parchment paper or parchment paper, printed, for example with a logo, information on ingredients or / and the date of minimum durability and / or the date of manufacture.
  • the cellulosic haitige layer is printed on a food container according to the invention before applying the Deutschen differer- lid foil, wherein both the printing and the cellulose-containing layer can be protected with a further plastic layer or a wax or a paint to achieve a water vapor barrier.
  • the layer for achieving a water vapor barrier may also be applied to the PVOH layer, the printed side then being suitably directed towards the PVOH layer.
  • the food container cover sheet according to the invention has three layers. In this case, the cellulose-containing layer may be facing the food in the closed food container and the layer forming the water vapor barrier is facing outward and vice versa.
  • PVOH layer Between two layers is then arranged the PVOH layer.
  • biodegradable plastics can be used which are biodegradable according to EN 13432 or EN 14995.
  • EN 13432 or EN 14995 To avoid repetition, reference is made to the above explanations for the biomaterial.
  • An analogous situation applies to the second type of cover film according to the invention, in which case the two layers of PVOH and cellulose are formed by a single layer of a PVOH polymer blend or a PVOH copolymer polymer blend.
  • the food packaging unit according to the invention from a food container which is injection-molded from a polymer biend which has a PVOH as a component is thus completely oxygen-tight when using a food-grade lidding film with a PVOH-containing layer and thus suitable for storing oxygen-sensitive foods.
  • the food packaging unit according to the invention as a coffee capsule or tea capsule for use in coffee makers or espresso machines that produce a corresponding Brühgetränk with coffee capsules, if necessary, on the side facing away from the opening of the collar apply a seal that seals the Brühgutkapsel against a machine recording.
  • the sealing material preferably has a lower hardness than the polymer material used.
  • FIG. 1 is a perspective sectional view of a food container according to the invention
  • Figure 2 is a perspective sectional view of a food container according to the invention with seal
  • FIG. 3 is a perspective sectional view of a food container according to the invention closed with a first embodiment of the food container lidding film according to the invention
  • Figure 4 is a perspective sectional view of a closed with a second embodiment of the food container lid film according to the invention food container according to the invention
  • FIG. 5 shows a food packaging unit according to the invention with a free-flowing foodstuff received therein;
  • FIG. 6 shows a food packaging unit according to the invention with a pasty foodstuff received therein.
  • FIG. 1 shows an exemplary embodiment of the food container 1 according to the invention as a perspective sectional view of a coffee capsule.
  • the food container 1 according to the invention is formed from a cup-shaped main body 2, which has a wall 5, a bottom 6 and a collar 7.
  • the wall 5 surrounds an opening 4 which is surrounded by a collar 7 projecting outwardly beyond the wall 5.
  • the cup-shaped food container can be filled with food via the opening 4.
  • a seal 9 apply, for example, the food container 1, in its use as a coffee capsule or tea capsule in corresponding preparation machines with respect to the machine seals.
  • FIG. 1 Such an embodiment is shown in FIG.
  • FIG. 3 shows a food container 1 closed with a cover film 10, wherein the food container lid film 10 according to the invention has been produced from a PVOH polymer blend film 15.
  • a PVOH polymer blend film 15 This can for example be made of a polymer blend of a PE and EVOH copolymer and applied by ironing, welding or gluing on the collar 7 of the food container.
  • the food packaging unit 20 is oxygen-tight for food ingested therein and resistant to water or water vapor for at least a short time.
  • FIG. 4 shows a second embodiment of a food container according to the invention
  • FIG. 4 The second embodiment of the food container cover film 10 according to the invention shown in FIG. 4 is shown in a three-layer embodiment, wherein a first layer
  • I I represents a cellulose-containing layer
  • a second layer 12 represents, for example, a PVOH layer
  • the third layer 13 is a plastic layer which forms a water vapor barrier for the two aforementioned layers.
  • the third layer 13 may be formed from a plastic material, from a wax or from a lacquer approved for food containers. All three layers are shown exaggeratedly thick in FIG. 3 for reasons of illustration, so that a visual differentiation of the individual layers is possible. In practice, however, all three layers of the food-grade lidding film 10 according to the invention together are, for example, in a thickness range for conventional food-grade films.
  • a layer thickness in the tenth of a millimeter or nanometer range is common, in particular for the third layer 13, which acts as a water vapor barrier.
  • the cellulose-containing layer forming the first layer 11 is usually also located in the tenth of a millimeter range.
  • the material of the further, cellulose-containing layer 11 and its layer thickness must be taken into account.
  • the layer density to achieve a required oxygen tightness can vary or be adapted to the type of film or to the number of layers. Which film is used depends on the intended use of the food packaging unit.
  • the food container lid sheet 10 according to the invention closes, as shown in Figures 3 and 4, the food container 1 according to the invention, so that a suitable food for receiving volume 8 is formed.
  • the plastics used for this purpose of the polymer blend for the injection molding of the food container 1 should be food safe, ie are approved for food or for which a corresponding approval can be requested.
  • a component of the injection-molded polymer blend PVOH and a layer of the food container cover film 10 are a PVOH-containing layer, here the second layer 12 or the layer 15, a possible embodiment.
  • the food container 1, or the food container 1 closed with a lidding film 10, which now forms a packaging unit 20, is intended for use as a coffee capsule and for receiving powdered or ground coffee, and this coffee capsule is stored exclusively dry, then it can thought to omit the water vapor barrier layers 13 and 14 completely.
  • the water vapor barrier is not used and, at the same time, the cellulosic layer is made of paper or parchment substitute paper which is not wet-strength, the PVOH layer should be placed internally.
  • the lidding film 10 With the inner PVOH layer, which faces the main body 2 of the food container 1, the lidding film 10 can for example be welded, glued or sealed in a simple manner to the collar of the foodstuff container 1. Of course, this also applies to an inverted or different arrangement of the layers of the cover film 10.
  • a filled with coffee food packaging unit 20 is shown in Figure 5, wherein the food container 1 occlusive lidding film 10 is constructed of four layers.
  • the third layer 13 designed as a water vapor barrier faces the collar 7 of the main body 2 of the food container 1, the second layer 12 of PVOH forms the second-innermost layer and the layer 11 formed of cellulose-containing material forms a third layer which, for example, faces outwards may have pointing printing.
  • a fourth layer 14 for example, of a plastic, a wax or a lacquer which protects the cellulosic layer or the PVOH-containing layer from moisture damage.
  • the food packaging unit according to the invention is not only oxygen-tight, but also resistant to water or water vapor.
  • Other customary types of use are, of course, included in the scope of the invention.
  • the food packaging unit 20 is shown by way of example as a yoghurt cup or as a coffee cream container and has received a suitable or liquid food in its receiving volume 8.
  • the cup-shaped main body 2 is closed by the collar 7 with a two-layer lid film 10, wherein the PVOH-containing layer 12 faces the collar 7. This prevents the liquid or pasty food from coming into contact with the cellulose-containing layer 11 of the cover film 10.
  • the celluiose-containing layer 1 1 can be printed both decorative and informative to give the food container according to the invention or the food packaging unit according to the invention a graceful appearance.
  • Embodiment could be arranged, for example, the polymer blend layer 15 facing the collar 7 and protect them against damage from moisture from the outside by a water or water vapor barrier layer 13.
  • a water or water vapor barrier layer 13 The same can be done for both embodiments by an internally arranged water or water vapor barrier layer 14 (not shown), if necessary, for example when the food received in the food container 1 interacts with the PVOH-containing layer 12 or 15 and this is undesirable.
  • the cup-shaped base body 2 is made of a polymer blend, one component of which is for attaining an oxygen-tightness being PVOH and the other component of which is a biopolymer plastic.
  • the food packaging units 20 of the invention shown in Figs. 3-5 are fully biodegradable, i. after removal or use of the food contained therein, the food packaging unit 20 according to the invention can be disposed of as organic waste.
  • a food packaging unit 20 according to the invention is provided, which is oxygen-tight by using PVOH as admixture with an injection-moldable polymer blend and by using PVOH in or on a cover film.
  • the food packaging unit 20 according to the invention thus makes it possible, by simple use of PVOH as admixture with the injection molding plastic or as a film material and also as a coating of a cover film which can be constructed in one, two, three or four layers, in a simple and cost-effective manner to provide a food packaging unit 20 which, when using biopolymers as other involved materials, is also biodegradable.
  • the complete food packaging unit according to EN 13432 or EN 14995 is biodegradable in an industrial composting process. LIST OF REFERENCE NUMBERS

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Packages (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Wrappers (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Apparatus For Making Beverages (AREA)

Abstract

Unité d'emballage alimentaire (20) comprenant un contenant alimentaire (1) destiné à recevoir un produit alimentaire fluide, pâteux ou coulant. Le corps de base (2) en forme de godet, monobloc moulé par injection, du contenant alimentaire entoure, par une paroi (5), un fond (6) et un rebord (7) saillant vers l'extérieur, une ouverture (4) qui est fermée par un opercule (10) de contenant alimentaire appliqué sur le rebord (7). Ce contenant alimentaire (1) est moulé par injection en une seule couche à partir d'un mélange de polymères qui contient au moins deux composantes dont une première composante est un alcool polyvinylique (PVOH) ou un copolymère de PVOH. L'opercule (10) du contenant alimentaire, qui peut être appliqué sur le contenant alimentaire en plastique (1) pour fermer l'ouverture (4) par scellement, soudage ou collage, présente une couche contenant de la cellulose, qui est revêtue de PVOH, ou une couche de mélange de polymères-PVOH.
PCT/EP2016/081458 2016-02-01 2016-12-16 Contenant alimentaire étanche à l'oxygène WO2017133820A1 (fr)

Priority Applications (15)

Application Number Priority Date Filing Date Title
CN201680080723.4A CN109641695B (zh) 2016-02-01 2016-12-16 隔氧食品容器
AU2016391789A AU2016391789C1 (en) 2016-02-01 2016-12-16 Oxygen-tight food container
EP16828714.2A EP3359469B2 (fr) 2016-02-01 2016-12-16 Récipient pour nourriture impermeble au oxygén
RU2018127309A RU2693545C1 (ru) 2016-02-01 2016-12-16 Контейнер для пищевых продуктов, непроницаемый для кислорода
US16/071,559 US11578200B2 (en) 2016-02-01 2016-12-16 Oxygen-tight food container
SG11201806095VA SG11201806095VA (en) 2016-02-01 2016-12-16 Oxygen-tight food container
ES16828714T ES2734073T5 (es) 2016-02-01 2016-12-16 Recipiente para alimentos impermeable al oxígeno
PL16828714T PL3359469T5 (pl) 2016-02-01 2016-12-16 Pojemnik na artykuły spożywcze nieprzepuszczalny dla tlenu
BR112018015576-4A BR112018015576B1 (pt) 2016-02-01 2016-12-16 Recipiente de alimentos à prova de entrada de oxigênio
DK16828714.2T DK3359469T4 (da) 2016-02-01 2016-12-16 Oxygentæt fødevarebeholder
JP2018539159A JP6857660B2 (ja) 2016-02-01 2016-12-16 酸素気密性（ｏｘｙｇｅｎ‐ｔｉｇｈｔ）食品コンテナ
CA3013236A CA3013236C (fr) 2016-02-01 2016-12-16 Contenant alimentaire etanche a l'oxygene
IL260845A IL260845B (en) 2016-02-01 2018-07-29 A food container is sealed using oxygen
ZA201805886A ZA201805886B (en) 2016-02-01 2018-08-31 Oxygen-tight food container
US18/053,467 US20230075620A1 (en) 2016-02-01 2022-11-08 Oxygen-tight food container

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016201498.6 2016-02-01
DE102016201498.6A DE102016201498B4 (de) 2016-02-01 2016-02-01 Sauerstoffdichter lebensmittelbehälter

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US16/071,559 A-371-Of-International US11578200B2 (en) 2016-02-01 2016-12-16 Oxygen-tight food container
US18/053,467 Continuation US20230075620A1 (en) 2016-02-01 2022-11-08 Oxygen-tight food container

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WO2017133820A1 true WO2017133820A1 (fr) 2017-08-10

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PCT/EP2016/081458 WO2017133820A1 (fr) 2016-02-01 2016-12-16 Contenant alimentaire étanche à l'oxygène
PCT/EP2017/052137 WO2017134096A1 (fr) 2016-02-01 2017-02-01 Plastique étanche à l'oxygène et matériau d'emballage fabriqué à partir de celui-ci

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PCT/EP2017/052137 WO2017134096A1 (fr) 2016-02-01 2017-02-01 Plastique étanche à l'oxygène et matériau d'emballage fabriqué à partir de celui-ci

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US (3) US11578200B2 (fr)
EP (3) EP3359469B2 (fr)
JP (2) JP6857660B2 (fr)
CN (2) CN109641695B (fr)
AU (1) AU2016391789C1 (fr)
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